<template>
  <div class="todo-header">
    <input type="text"
           placeholder="请输入你的任务名称，按回车键确认" @keyup.enter="addTodo($event.target.value)"/>
    <!-- <input type="text"
           placeholder="请输入你的任务名称，按回车键确认" @keyup.enter="sendTitle"/> -->
    <!-- 
        1. v-model
        2. e.target.value
        3. ref   this.$refs.xxx
     -->
  </div>
</template>
  
  <script>
export default {
  name: 'Header',
  props: ['addTodo'],
  methods:{
    sendTitle(e){
        this.addTodo(e.target.value)
    }
  }
}
</script>
  
<style scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
    0 0 8px rgba(82, 168, 236, 0.6);
}
</style>